| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| B & D Cladding Supplies Ltd. | 02883956 | 28/12/1993 | Dissolved |
| BOB BOREHAM GROUNDWORKS LIMITED | 09803190 | 01/10/2015 | Dissolved |
| Construction Site Services Limited | 02653620 | 17/05/1993 | Dissolved |
| MULTITOWN CONSTRUCTION LIMITED | 10992443 | 03/10/2017 | Bronze |
| PLANT & MACHINERY CERTIFICATION LIMITED | 15294307 | 20/11/2023 | Bronze |
| R K B Construction Ltd | 03920737 | 08/02/2000 | Dissolved |
| Rkb Plant Hire Ltd | 04065435 | 05/09/2000 | Dissolved |
| SIMULCAST DEVELOPMENTS LIMITED | 03980582 | 01/04/2013 | Dissolved |
| Sub-Contract Building 94 Ltd | 02922197 | 27/04/1994 | Dissolved |
| Sub-Contract Building Ltd | 02589165 | 06/03/1991 | Dissolved |
| Time-Wise Construction Ltd | 04435819 | 10/05/2002 | Dissolved |
| Zealdale Construction Ltd | 02559183 | 02/03/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| LAMP PROPERTIES LIMITED | 05053412 | 22/03/2006 | 30/11/2008 | Dissolved |
| R K B Developments Ltd | 04199839 | 13/04/2001 | 11/08/2009 | Dissolved |
| SIMULCAST DEVELOPMENTS LIMITED | 03980582 | 27/07/2006 | 13/08/2007 | Dissolved |
| SIMULCAST DEVELOPMENTS LIMITED | 03980582 | 09/05/2006 | 27/07/2006 | Dissolved |
| THE ALLOY GUARD CO LIMITED | 06516934 | 28/02/2008 | 11/08/2009 | Dissolved |